Home / 228,376.40-315,133.13-131,594.36

Finding the Fourth Proportional to 228,376.40, 315,133.13 and 131,594.36

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Solution

The fourth proportional to 228,376.40, 315,133.13 and 131,594.36 is: 181,585.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,376.40 : 315,133.13 = 131,594.36 : x
  2. Step 2: Convert to fraction form
    228,376.40/315,133.13 = 131,594.36/x
  3. Step 3: Cross multiply
    228,376.40x = 315,133.13 × 131,594.36
  4. Step 4: Simplify right side
    228,376.40x = 41,469,740,323.51
  5. Step 5: Solve for x
    x = 41,469,740,323.51/228,376.40
  6. Step 6: Final answer
    x = 181,585.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.